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5.7. Do not use damaged work tools. Before each use, check the working tools, eg. abrasive discs
for cracks or scuff ed edges, cracked discs or heavy wear, wire brushes for badly caught or broken
staples. If you remove the angle grinder or the work tool, carefully check for damage or use new
undamaged work tools. After carefully checking and installing the tool, let the angle grinder run at
maximum speed for one minute. Stay and hold nearby faces away from the plane of rotation. Most
commonly damaged work tools break through this test period.
5.8. Handle personal protective equipment. Depending on the application, work with a full face
mask, eye protection or safety glasses. If necessary, work with a breathing mask, ear-muff s,
footwear or a special apron to protect you from small particles that are working. Your eyes must be
protected from particles fl ying in the work area. The dust mask or breathing mask fi lters the dust that
appears to work. If you are exposed to high noise for a long time, this can lead to hearing loss.
5.9. Make sure that other persons are at a safe distance from the work area. Anyone in the work
area must wear personal protective equipment. Scraped bits of the workpiece or workpiece may, as
a result of heavy acceleration, fl y away and cause injuries also outside the work area.
5.10. If you perform activities in which the tool may come into contact with live conductors under
stress or aff ect the power cord, keep the power tool only for electrically insulated handles. When the
tool comes into contact with live wires, it is transmitted to the metal parts of the angle grinder, and
this may result in electric shock.
Attention! Loss of control of the power tool may result in accidents at work.
5.11. Never leave the angle grinder before the tool stops completely rotating. The rotating tool may
touch an object, resulting in loss of control over the angle grinder.
5.12. While carrying the angle grinder, do not leave it on. In case of unintentional touch, your clothes
or hair can be trapped by the work tool, resulting in the tool being injured in your body.
5.13. Regularly clean the ventilation openings of your angle grinder. The turbine of the electric motor
sucks dust into the housing and the accumulation of metallic dust increases the risk of electric
shock.
5.14. Do not use the angle grinder near fl ammable materials. Flying sparks may cause ignition of
such materials.
5.15. Do not use work tools that require the application of coolants. The use of water or other
coolants may cause electric shock.
6. Kickback and tips for avoiding it.
6.1. The sudden reaction of the machine is kicked off as a result of locking or blocking the rotating
tool, abrasive disk, rubber subwoofer, wire brush and more. The jamming or blocking causes
the tool to rotate abruptly, as a result of which the angle grinder receives a strong acceleration
in the direction opposite to the direction of rotation of the tool at the locking point and becomes
unmanageable. If, for example, an abrasive disk is wedged or blocked in the workpiece, the edge of
the disc that touches the workpiece can bend and the disc breaks or a kickback occurs. In this case,
the disc is accelerating towards the machine operator or in the opposite direction, depending on the
direction of rotation of the disc and the place of engagement. In such cases the abrasive discs may
break. Retract occurs as a result of improper or incorrect use of the angle grinder. Its occurrence
can be prevented by following the appropriate precautions described below.
6.2. Keep the angle grinder fi rmly and hold your hands and body in such a position as to counteract
a possible kickback. If the angle grinder has an auxiliary handle, always use it to better control
it when it comes to kickback or when it comes to reaction moments during switch-on. If you take
appropriate precautions beforehand, you can control the machine if a kickback or strong reaction
times occur.
6.3. Never place your hands near rotating work tools. If a kickback occurs, the tool may hurt you.
6.4. Avoid standing in the area where the angle grinder will jump when a kickback occurs. The kick
moves the machine in a direction opposite to the direction of movement of the tool in the lock zone.
6.5. Work especially cautiously in areas of angles, sharp edges, etc. Avoid repulsion or jamming
of workpieces in the workpiece. In the case of angles or sharp edges, or when the rotating tool
is sharply repelled, there is an increased risk of jamming. This causes loss of machine control or
kickback.
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